General description Heavy Duty Front Upper Adjustable Control Arm Set designed for Jeep Wrangler TJ (1997-2006), Jeep Cherokee XJ (1984-2001), Jeep Grand Cherokee ZJ (1993-1998), and Jeep Grand Cherokee WJ (1999-2004). This control arm set is engineered to improve suspension, handling, and predictable response while preventing premature tire wear and reducing bump steer. Technical specifications Material: High Tensile Strength Carbon Steel Bushing: Premium Polyurethane Bushings Eye to eye length range: 360-455mm Compatible for lifted ride height: 0-8" Placement on Vehicle: Front Upper Package dimensions: 68.4 x 19.9 x 12.7 cm Weight: 7000g Bushing inner diameter: φ14 Spare sleeves inner diameter: φ11 Installation Professional installation is highly recommended for optimal performance and safety. Usage To reduce noise, it is advised to use a lubricating oil, preferably a silicone-based lubricant with a PTFE additive.